"[T]he pension fund's administrators miscalculated benefits for the 234 retirees and mistakenly gave them lump-sum payments ranging from $566 to $217,185 as back pay between 2012 and 2014, when the error was discovered ... [R]etirees were contacted last year and told they had to return the money either by paying the amount back in full or in monthly increments through reduced pension payouts until the money was repaid."  MORE >>